<template>
  <div class="app-container">
    <el-form
      :model="queryParams"
      ref="queryForm"
      size="small"
      :inline="true"
      v-show="showSearch"
      label-width="68px"
    >
      <el-form-item label="横幅名称" prop="name">
        <el-input
          v-model="queryParams.name"
          placeholder="请输入横幅名称"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="横幅图片地址" prop="imgUrl">
        <el-input
          v-model="queryParams.imgUrl"
          placeholder="请输入横幅图片地址"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="横幅跳转链接" prop="fileUrl">
        <el-input
          v-model="queryParams.fileUrl"
          placeholder="请输入横幅跳转链接"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item>
        <el-button
          type="primary"
          icon="el-icon-search"
          size="mini"
          @click="handleQuery"
          >搜索</el-button
        >
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery"
          >重置</el-button
        >
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
          type="primary"
          plain
          icon="el-icon-plus"
          size="mini"
          @click="handleAdd"
          v-hasPermi="['mall:banner:add']"
          >新增</el-button
        >
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="success"
          plain
          icon="el-icon-edit"
          size="mini"
          :disabled="single"
          @click="handleUpdate"
          v-hasPermi="['mall:banner:edit']"
          >修改</el-button
        >
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="danger"
          plain
          icon="el-icon-delete"
          size="mini"
          :disabled="multiple"
          @click="handleDelete"
          v-hasPermi="['mall:banner:remove']"
          >删除</el-button
        >
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="warning"
          plain
          icon="el-icon-download"
          size="mini"
          @click="handleExport"
          v-hasPermi="['mall:banner:export']"
          >导出</el-button
        >
      </el-col>
      <right-toolbar
        :showSearch.sync="showSearch"
        @queryTable="getList"
      ></right-toolbar>
    </el-row>

    <el-table
      v-loading="loading"
      :data="bannerList"
      @selection-change="handleSelectionChange"
    >
      <el-table-column type="selection" width="55" align="center" />
      <el-table-column
        label="横幅表主键"
        align="center"
        prop="bannerId"
        v-if="true"
      />
      <el-table-column label="横幅名称" align="center" prop="name" />
      <el-table-column label="横幅图片地址" align="center" prop="imgUrl" />
      <el-table-column label="横幅跳转链接" align="center" prop="fileUrl" />
      <el-table-column
        label="横幅类型(0富文本，1图片链接地址 )"
        align="center"
        prop="bannerType"
      />
      <el-table-column label="横幅图片富文本" align="center" prop="content" />
      <el-table-column label="备注" align="center" prop="remark" />
      <el-table-column
        label="操作"
        align="center"
        class-name="small-padding fixed-width"
      >
        <template slot-scope="scope">
          <el-button
            size="mini"
            type="text"
            icon="el-icon-edit"
            @click="handleUpdate(scope.row)"
            v-hasPermi="['mall:banner:edit']"
            >修改</el-button
          >
          <el-button
            size="mini"
            type="text"
            icon="el-icon-delete"
            @click="handleDelete(scope.row)"
            v-hasPermi="['mall:banner:remove']"
            >删除</el-button
          >
        </template>
      </el-table-column>
    </el-table>

    <pagination
      v-show="total > 0"
      :total="total"
      :page.sync="queryParams.pageNum"
      :limit.sync="queryParams.pageSize"
      @pagination="getList"
    />

    <!-- 添加或修改主页横幅对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="500px" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="80px">
        <el-form-item label="横幅名称" prop="name">
          <el-input v-model="form.name" placeholder="请输入横幅名称" />
        </el-form-item>
        <el-form-item label="横幅类型" prop="bannerType">
          <el-select
            v-model="selectedValue"
            @change="handleSelectChange"
            placeholder="请选择类型"
          >
            <el-option
              v-for="item in bannerOptions"
              :key="item.value"
              :label="item.label"
              :value="item.value"
            ></el-option>
          </el-select>
        </el-form-item>
        <!-- <el-form-item label="横幅图片地址" prop="imgUrl">
          <el-input
            v-model="form.imgUrl"
            type="textarea"
            placeholder="请输入内容"
          />
        </el-form-item> -->
        <el-form-item label="横幅图片地址" prop="imgUrl">
          <ImageUpload
            @success="uploadImg"
            :limit="1"
            :value="form.categoryImg"
          />
        </el-form-item>
        <el-form-item v-show="showLink" label="横幅跳转链接" prop="fileUrl">
          <el-input
            v-model="form.fileUrl"
            type="textarea"
            placeholder="请输入内容"
          />
        </el-form-item>
        <el-form-item v-show="showRichText" label="横幅图片富文本">
          <editor v-model="form.content" :min-height="192" />
        </el-form-item>
        <el-form-item label="备注" prop="remark">
          <el-input v-model="form.remark" placeholder="请输入备注" />
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button :loading="buttonLoading" type="primary" @click="submitForm"
          >确 定</el-button
        >
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import {
  listBanner,
  getBanner,
  delBanner,
  addBanner,
  updateBanner,
} from "@/api/mall/banner";

export default {
  name: "Banner",
  data() {
    return {
      //显示富文本
      showRichText: true,
      //显示图片链接
      showLink: false,
      // 按钮loading
      buttonLoading: false,
      // 遮罩层
      loading: true,
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      selectedValue: 0,
      // 主页横幅表格数据
      bannerList: [],
      bannerOptions: [
        { label: "富文本", value: 0 },
        { label: "跳转链接", value: 1 },
      ],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        name: undefined,
        imgUrl: undefined,
        fileUrl: undefined,
        bannerType: undefined,
        content: undefined,
      },
      // 表单参数
      form: {},
      // 表单校验
      rules: {
        name: [
          { required: true, message: "横幅名称不能为空", trigger: "blur" },
        ],
        imgUrl: [
          { required: true, message: "横幅图片地址不能为空", trigger: "blur" },
        ],
        remark: [{ required: true, message: "备注不能为空", trigger: "blur" }],
      },
    };
  },
  created() {
    this.getList();
  },
  methods: {
    /** 查询主页横幅列表 */
    getList() {
      this.loading = true;
      listBanner(this.queryParams).then((response) => {
        this.bannerList = response.rows;
        this.total = response.total;
        this.loading = false;
      });
    },
    handleSelectChange(row) {
      if (row != null) {
        if (row == 0) {
          this.showRichText = true;
          this.showLink = false;
        } else {
          this.showRichText = false;
          this.showLink = true;
        }
      }
    },
    // 取消按钮
    cancel() {
      this.open = false;
      this.reset();
    },
    // 表单重置
    reset() {
      this.form = {
        bannerId: undefined,
        name: undefined,
        imgUrl: undefined,
        fileUrl: undefined,
        bannerType: undefined,
        content: undefined,
        createBy: undefined,
        createTime: undefined,
        updateBy: undefined,
        updateTime: undefined,
        remark: undefined,
      };
      this.resetForm("form");
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1;
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm("queryForm");
      this.handleQuery();
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.ids = selection.map((item) => item.bannerId);
      this.single = selection.length !== 1;
      this.multiple = !selection.length;
    },
    /** 新增按钮操作 */
    handleAdd() {
      this.reset();
      this.open = true;
      this.title = "添加主页横幅";
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.loading = true;
      this.reset();
      const bannerId = row.bannerId || this.ids;
      getBanner(bannerId).then((response) => {
        this.loading = false;
        this.form = response.data;
        this.open = true;
        this.title = "修改主页横幅";
      });
    },
    uploadImg(file) {
      this.form.imgUrl = file;
    },
    /** 提交按钮 */
    submitForm() {
      this.$refs["form"].validate((valid) => {
        if (valid) {
          this.buttonLoading = true;
          if (this.form.bannerId != null) {
            updateBanner(this.form)
              .then((response) => {
                this.$modal.msgSuccess("修改成功");
                this.open = false;
                this.getList();
              })
              .finally(() => {
                this.buttonLoading = false;
              });
          } else {
            addBanner(this.form)
              .then((response) => {
                this.$modal.msgSuccess("新增成功");
                this.open = false;
                this.getList();
              })
              .finally(() => {
                this.buttonLoading = false;
              });
          }
        }
      });
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const bannerIds = row.bannerId || this.ids;
      this.$modal
        .confirm('是否确认删除主页横幅编号为"' + bannerIds + '"的数据项？')
        .then(() => {
          this.loading = true;
          return delBanner(bannerIds);
        })
        .then(() => {
          this.loading = false;
          this.getList();
          this.$modal.msgSuccess("删除成功");
        })
        .catch(() => {})
        .finally(() => {
          this.loading = false;
        });
    },
    /** 导出按钮操作 */
    handleExport() {
      this.download(
        "mall/banner/export",
        {
          ...this.queryParams,
        },
        `banner_${new Date().getTime()}.xlsx`
      );
    },
  },
};
</script>
